Numerical simulation of groundwater in high pressure and large water mine
High confined groundwater exists in both the overlying and underlying layers of a deep lead-zinc mine,and the high water head difference between the indirect karst fissure aquifer and the direct aquifer of the deep deposit is the main factor threatening the safe production of the mine.In order to provide the basis for the design of deep water control engineering,based on the analysis of the geological and hydro-geological conditions of the mining area,the hydro-geological conceptual model of the mining area is established,the three-dimensional flow numerical simulation analysis of the groundwater in the mining area is carried out by using FEFLOW software,and the identified model is used to predict the pit water inflow of deep mining in the mining area,The results show that the normal water inflow at the level of 1 094～734 m is 8 730～11 713 m3/d,the normal water inflow at 971～551 m level of Qilin plant is 5 997～7 557 m3/d,which can be used as the basis for mine water prevention and control.
high pressureprediction of mine water inflowgroundwater numerical simulationhydro-geological condition
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